Home / 19,975.80-29,943.72-10,085.16

Finding the Fourth Proportional to 19,975.80, 29,943.72 and 10,085.16

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Solution

The fourth proportional to 19,975.80, 29,943.72 and 10,085.16 is: 15,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.80 : 29,943.72 = 10,085.16 : x
  2. Step 2: Convert to fraction form
    19,975.80/29,943.72 = 10,085.16/x
  3. Step 3: Cross multiply
    19,975.80x = 29,943.72 × 10,085.16
  4. Step 4: Simplify right side
    19,975.80x = 301,987,207.20
  5. Step 5: Solve for x
    x = 301,987,207.20/19,975.80
  6. Step 6: Final answer
    x = 15,117.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.